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在执行ansible命令后的返回值中，ansible_facts中会显示出修改的变量值信息
系统的变量可以作为判断条件</p></blockquote> <h2 id="变量命名"><a href="#变量命名" class="header-anchor">#</a> 变量命名</h2> <p>仅能由字母、数字和下划线组成，且只能以字母开头</p> <h2 id="变量定义"><a href="#变量定义" class="header-anchor">#</a> 变量定义</h2> <p>key=value</p> <div class="language-sh line-numbers-mode"><pre class="language-sh"><code><span class="token assign-left variable">http_port</span><span class="token operator">=</span><span class="token number">80</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="变量调用"><a href="#变量调用" class="header-anchor">#</a> 变量调用</h2> <p>方式1</p> <ul><li>通过 调用变量，且变量名前后必须有空格，有时用 <code>&quot;&quot;</code>才生效</li></ul> <p>方式2</p> <ul><li>ansible-playbook –e 选项指定</li></ul> <div class="language-sh line-numbers-mode"><pre class="language-sh"><code>ansible-playbook test.yml -e <span class="token string">&quot;hosts=www user=magedu&quot;</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h2 id="变量来源"><a href="#变量来源" class="header-anchor">#</a> 变量来源</h2> <p>优先级：命令指定&gt;playbook定义&gt;主机清单主机变量&gt;主机清单分组变量</p> <h3 id="通过setup模块获取"><a href="#通过setup模块获取" class="header-anchor">#</a> 通过setup模块获取</h3> <p>setup模块实现系统中很多系统信息的显示，可返回每个主机的系统信息包括:版本、主机名、cpu、内存</p> <div class="language-sh line-numbers-mode"><pre class="language-sh"><code>ansible setup facts <span class="token comment"># 远程主机的所有变量都可直接调用 (系统自带变量)</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>查看所有系统变量值</p> <div class="language-sh line-numbers-mode"><pre class="language-sh"><code>ansible all -m setup <span class="token operator">|</span> <span class="token function">less</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>查询示例1：查询不够精确</p> <div class="language-sh line-numbers-mode"><pre class="language-sh"><code><span class="token punctuation">[</span>root@linux101 opt<span class="token punctuation">]</span><span class="token comment"># ansible all -m setup | grep ansible_memtotal_mb</span>
        <span class="token string">&quot;ansible_memtotal_mb&quot;</span><span class="token builtin class-name">:</span> <span class="token number">3934</span>, 
        <span class="token string">&quot;ansible_memtotal_mb&quot;</span><span class="token builtin class-name">:</span> <span class="token number">3934</span>, 
        <span class="token string">&quot;ansible_memtotal_mb&quot;</span><span class="token builtin class-name">:</span> <span class="token number">3934</span>, 
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>查询示例2</p> <div class="language-sh line-numbers-mode"><pre class="language-sh"><code>ansible all -m setup -a <span class="token string">'filter=&quot;ansible_nodename&quot;'</span>        <span class="token comment"># 查询主机名</span>
ansible all -m setup -a <span class="token string">'filter=&quot;ansible_memtotal_mb&quot;'</span>     <span class="token comment"># 查询主机内存大小</span>
ansible all -m setup -a <span class="token string">'filter=&quot;ansible_distribution_major_version&quot;'</span>  <span class="token comment"># 查询系统版本</span>
ansible all -m setup -a <span class="token string">'filter=&quot;ansible_processor_vcpus&quot;'</span>  <span class="token comment"># 查询主机cpu个数</span>
ansible all -m setup -a <span class="token string">'filter=*address*'</span> <span class="token comment"># 支持通配符</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br></div></div><p>示例：创建文件夹，通过setup中读取的ansible_fqdn变量值创建</p> <p>先查询</p> <div class="language-sh line-numbers-mode"><pre class="language-sh"><code>ansible app -m setup -a <span class="token string">'filter=&quot;ansible_fqdn&quot;'</span>

<span class="token number">192.168</span>.10.102 <span class="token operator">|</span> SUCCESS <span class="token operator">=</span><span class="token operator">&gt;</span> <span class="token punctuation">{</span>
    <span class="token string">&quot;ansible_facts&quot;</span><span class="token builtin class-name">:</span> <span class="token punctuation">{</span>
        <span class="token string">&quot;ansible_fqdn&quot;</span><span class="token builtin class-name">:</span> <span class="token string">&quot;linux102&quot;</span>, 
        <span class="token string">&quot;discovered_interpreter_python&quot;</span><span class="token builtin class-name">:</span> <span class="token string">&quot;/usr/bin/python&quot;</span>
    <span class="token punctuation">}</span>, 
    <span class="token string">&quot;changed&quot;</span><span class="token builtin class-name">:</span> <span class="token boolean">false</span>
<span class="token punctuation">}</span>
<span class="token punctuation">..</span>.
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><p>编写app.yml</p> <div class="language-yaml line-numbers-mode"><pre class="language-yaml"><code><span class="token punctuation">-</span> <span class="token key atrule">hosts</span><span class="token punctuation">:</span> app
  <span class="token key atrule">remote_user</span><span class="token punctuation">:</span> root
  
  <span class="token key atrule">tasks</span><span class="token punctuation">:</span>
    <span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> create log file
      <span class="token key atrule">file</span><span class="token punctuation">:</span> name=/opt/<span class="token punctuation">{</span><span class="token punctuation">{</span> ansible_fqdn <span class="token punctuation">}</span><span class="token punctuation">}</span>.log state=touch mode=500 owner=stt
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><p>检查playbook执行文件，再执行</p> <div class="language-sh line-numbers-mode"><pre class="language-sh"><code>ansible-playbook -C app.yml
ansible-playbook app.yml
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>检查执行的结果</p> <div class="language-sh line-numbers-mode"><pre class="language-sh"><code>ansible app -a <span class="token string">'ls /opt/ -l'</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="在主机清单中定义"><a href="#在主机清单中定义" class="header-anchor">#</a> 在主机清单中定义</h3> <p>在/etc/ansible/hosts(主机清单)中定义变量</p> <h4 id="普通变量"><a href="#普通变量" class="header-anchor">#</a> 普通变量</h4> <p>主机组中主机单独定义，优先级高于公共变量(单个主机 )</p> <p>示例：修改/etc/ansible/hosts，添加app组，每个主机有自己的http_port端口</p> <div class="language-sh line-numbers-mode"><pre class="language-sh"><code><span class="token punctuation">[</span>app<span class="token punctuation">]</span>
<span class="token number">192.168</span>.10.102 <span class="token assign-left variable">http_port</span><span class="token operator">=</span><span class="token number">81</span> <span class="token comment"># 单个主机变量</span>
<span class="token number">192.168</span>.10.103 <span class="token assign-left variable">http_port</span><span class="token operator">=</span><span class="token number">82</span>
<span class="token number">192.168</span>.10.104 <span class="token assign-left variable">http_port</span><span class="token operator">=</span><span class="token number">83</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>创建app.yml，对主机清单中的变量进行调用</p> <div class="language-yaml line-numbers-mode"><pre class="language-yaml"><code><span class="token punctuation">-</span> <span class="token key atrule">hosts</span><span class="token punctuation">:</span> app
  <span class="token key atrule">remote_user</span><span class="token punctuation">:</span> root
 
  <span class="token key atrule">tasks</span><span class="token punctuation">:</span>
    <span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> set hostname
      <span class="token key atrule">hostname</span><span class="token punctuation">:</span> name=www<span class="token punctuation">{</span><span class="token punctuation">{</span> http_port <span class="token punctuation">}</span><span class="token punctuation">}</span>.stt.com
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><p>执行：先检测，在执行</p> <div class="language-sh line-numbers-mode"><pre class="language-sh"><code>ansible-playbook -C app.yml
ansible-playbook app.yml
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>检查是否修改成功</p> <div class="language-sh line-numbers-mode"><pre class="language-sh"><code>ansible-playbook app -a <span class="token string">'hostname'</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h4 id="公共-组-变量"><a href="#公共-组-变量" class="header-anchor">#</a> 公共(组)变量</h4> <p>针对主机组中所有主机定义统一变量(一组主机的同一类别)</p> <p>示例：修改hosts，添加组公共变量</p> <div class="language-sh line-numbers-mode"><pre class="language-sh"><code><span class="token punctuation">[</span>app<span class="token punctuation">]</span>
<span class="token number">192.168</span>.10.102 <span class="token assign-left variable">http_port</span><span class="token operator">=</span><span class="token number">81</span> <span class="token comment"># 单个主机变量</span>
<span class="token number">192.168</span>.10.103 <span class="token assign-left variable">http_port</span><span class="token operator">=</span><span class="token number">82</span>
<span class="token number">192.168</span>.10.104 <span class="token assign-left variable">http_port</span><span class="token operator">=</span><span class="token number">83</span>

<span class="token punctuation">[</span>app:vars<span class="token punctuation">]</span> <span class="token comment"># 组变量</span>
<span class="token assign-left variable">nodename</span><span class="token operator">=</span>www
<span class="token assign-left variable">domainname</span><span class="token operator">=</span>stt.com
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><p>修改app.yml文件</p> <div class="language-yaml line-numbers-mode"><pre class="language-yaml"><code><span class="token punctuation">-</span> <span class="token key atrule">hosts</span><span class="token punctuation">:</span> app
  <span class="token key atrule">remote_user</span><span class="token punctuation">:</span> root
 
  <span class="token key atrule">tasks</span><span class="token punctuation">:</span>
    <span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> set hostname
      <span class="token key atrule">hostname</span><span class="token punctuation">:</span> name=<span class="token punctuation">{</span><span class="token punctuation">{</span> nodename <span class="token punctuation">}</span><span class="token punctuation">}</span><span class="token punctuation">{</span><span class="token punctuation">{</span> http_port <span class="token punctuation">}</span><span class="token punctuation">}</span>.<span class="token punctuation">{</span><span class="token punctuation">{</span> domainname <span class="token punctuation">}</span><span class="token punctuation">}</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><h4 id="组嵌套变量"><a href="#组嵌套变量" class="header-anchor">#</a> 组嵌套变量</h4> <p>组还可以包含其它的组，也可向组中的主机指定变量</p> <p>示例</p> <div class="language-sh line-numbers-mode"><pre class="language-sh"><code><span class="token punctuation">[</span>apache<span class="token punctuation">]</span>
httpd1.stt.com
httpd2.stt.com

<span class="token punctuation">[</span>nginx<span class="token punctuation">]</span>
ngx1.stt.com
ngx2.stt.com

<span class="token punctuation">[</span>websrvs:children<span class="token punctuation">]</span> <span class="token comment"># 将上面2个组进行组合</span>
apache
nginx

<span class="token punctuation">[</span>webservers:vars<span class="token punctuation">]</span> <span class="token comment"># 定义嵌套组队的变量</span>
<span class="token assign-left variable">ntp_server</span><span class="token operator">=</span>ntp.stt.com
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br></div></div><div class="language-sh line-numbers-mode"><pre class="language-sh"><code>组嵌套
inventory中，组还可以包含其它的组，并且也可以向组中的主机指定变量。
这些变量只能在ansible-playbook中使用，而ansible命令不支持

示例：
    <span class="token punctuation">[</span>apache<span class="token punctuation">]</span>
    httpd1.magedu.com
    httpd2.magedu.com
    
    <span class="token punctuation">[</span>nginx<span class="token punctuation">]</span>
    ngx1.magedu.com
    ngx2.magedu.com
    
    <span class="token punctuation">[</span>websrvs:children<span class="token punctuation">]</span>
    apache
    nginx
    
    <span class="token punctuation">[</span>webservers:vars<span class="token punctuation">]</span>
    <span class="token assign-left variable">ntp_server</span><span class="token operator">=</span>ntp.magedu.com
   
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br></div></div><h3 id="通过执行命令指定"><a href="#通过执行命令指定" class="header-anchor">#</a> 通过执行命令指定</h3> <p>通过命令行指定变量，<strong>优先级最高</strong></p> <div class="language-sh line-numbers-mode"><pre class="language-sh"><code>ansible-playbook –e <span class="token string">'varname=value'</span> xx.yml
<span class="token comment"># 多个变量</span>
ansible-playbook –e <span class="token string">'varname=value varname2=value2'</span> xx.yml
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>示例：编写app.yml</p> <div class="language-yaml line-numbers-mode"><pre class="language-yaml"><code><span class="token punctuation">-</span> <span class="token key atrule">hosts</span><span class="token punctuation">:</span> websrvs
  <span class="token key atrule">remote_user</span><span class="token punctuation">:</span> root
 
  <span class="token key atrule">tasks</span><span class="token punctuation">:</span>
    <span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> install package
      <span class="token key atrule">yum</span><span class="token punctuation">:</span> name=<span class="token punctuation">{</span><span class="token punctuation">{</span> pkName <span class="token punctuation">}</span><span class="token punctuation">}</span>
    <span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> start service
      <span class="token key atrule">service</span> <span class="token punctuation">:</span> name=<span class="token punctuation">{</span><span class="token punctuation">{</span> pkName <span class="token punctuation">}</span><span class="token punctuation">}</span> state=started enabled=yes
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><p>执行：使用 -e  表示传递的变量</p> <div class="language-sh line-numbers-mode"><pre class="language-sh"><code>ansible-playbook -e <span class="token string">'pkName=vsftpd'</span> app.yml
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>检查ftp服务是否安装成功：通过检查21端口是否开始监听</p> <div class="language-sh line-numbers-mode"><pre class="language-sh"><code>ansible websrvs -m shell -a <span class="token string">'ss -ntl | grep 21'</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>卸载刚才安装的服务</p> <div class="language-sh line-numbers-mode"><pre class="language-sh"><code>ansible websrvs -m shell -a <span class="token string">'yum -y remove vsftpd'</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="在playbook中定义"><a href="#在playbook中定义" class="header-anchor">#</a> 在playbook中定义</h3> <p>在playbook中使用vars关键字，定义变量</p> <div class="language-yaml line-numbers-mode"><pre class="language-yaml"><code><span class="token key atrule">vars</span><span class="token punctuation">:</span>
  <span class="token punctuation">-</span> <span class="token key atrule">var1</span><span class="token punctuation">:</span> value1
  <span class="token punctuation">-</span> <span class="token key atrule">var2</span><span class="token punctuation">:</span> value2
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><p>示例：创建app.yml，声明2个变量并执行</p> <div class="language-yml line-numbers-mode"><pre class="language-yml"><code><span class="token punctuation">-</span> <span class="token key atrule">hosts</span><span class="token punctuation">:</span> websrvs
  <span class="token key atrule">remote_user</span><span class="token punctuation">:</span> root
  <span class="token key atrule">vars</span><span class="token punctuation">:</span>
    <span class="token punctuation">-</span> <span class="token key atrule">pkname1</span><span class="token punctuation">:</span> httpd
    <span class="token punctuation">-</span> <span class="token key atrule">pkname2</span><span class="token punctuation">:</span> vsftpd
 
  <span class="token key atrule">tasks</span><span class="token punctuation">:</span>
    <span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> install package1
      <span class="token key atrule">yum</span><span class="token punctuation">:</span> name=<span class="token punctuation">{</span><span class="token punctuation">{</span> pkname1 <span class="token punctuation">}</span><span class="token punctuation">}</span>
    <span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> install package2
      <span class="token key atrule">yum</span><span class="token punctuation">:</span> name=<span class="token punctuation">{</span><span class="token punctuation">{</span> pkname2 <span class="token punctuation">}</span><span class="token punctuation">}</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><p>执行命令</p> <div class="language-sh line-numbers-mode"><pre class="language-sh"><code>ansible-playbook app.yml
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>检查是否安装成功：查询安装的版本信息</p> <div class="language-sh line-numbers-mode"><pre class="language-sh"><code>ansible websrvs -m shell -a <span class="token string">'rpm -q httpd vsftpd'</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>卸载刚才的安装</p> <div class="language-sh line-numbers-mode"><pre class="language-sh"><code>ansible websrvs -m shell -a <span class="token string">'yum -y remove httpd vsftpd'</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="在独立的变量文件中定义"><a href="#在独立的变量文件中定义" class="header-anchor">#</a> 在独立的变量文件中定义</h3> <p>在自定义的yml文件中定义变量，在playbook中使用vars_files关键字引用</p> <p>示例：安装httpd，创建log文件夹
创建变量文件，my_vars.yml</p> <div class="language-yaml line-numbers-mode"><pre class="language-yaml"><code><span class="token key atrule">var1</span><span class="token punctuation">:</span> httpd
<span class="token key atrule">var2</span><span class="token punctuation">:</span> vsftpd
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>创建playbood的执行文件app.yml</p> <div class="language-yaml line-numbers-mode"><pre class="language-yaml"><code><span class="token punctuation">-</span> <span class="token key atrule">hosts</span><span class="token punctuation">:</span> app
  <span class="token key atrule">remote_user</span><span class="token punctuation">:</span> root
  <span class="token key atrule">vars_files</span><span class="token punctuation">:</span>
    <span class="token punctuation">-</span> my_vars.yml

  <span class="token key atrule">tasks</span><span class="token punctuation">:</span>
    <span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> install package httpd
      <span class="token key atrule">yum</span><span class="token punctuation">:</span> name=<span class="token punctuation">{</span><span class="token punctuation">{</span> var1 <span class="token punctuation">}</span><span class="token punctuation">}</span>
    <span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> create log file vsftpd
      <span class="token key atrule">file</span><span class="token punctuation">:</span> name=/opt/<span class="token punctuation">{</span><span class="token punctuation">{</span> var2 <span class="token punctuation">}</span><span class="token punctuation">}</span>.log state=touch
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><p>执行</p> <div class="language-sh line-numbers-mode"><pre class="language-sh"><code>ansible-playbook -C app.yml
ansible-playbook app.yml
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>检查安装情况</p> <div class="language-sh line-numbers-mode"><pre class="language-sh"><code>ansible app -m shell -a <span class="token string">'rpm -q httpd'</span> <span class="token comment"># 查询httpd的安装版本情况</span>
ansible app -m shell -a <span class="token string">'ls -l /opt'</span> <span class="token comment"># 查看目录创建情况</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>卸载&amp;删除文件夹</p> <div class="language-sh line-numbers-mode"><pre class="language-sh"><code>ansible websrvs -m shell -a <span class="token string">'yum -y remove httpd'</span>
ansible websrvs -m shell -a <span class="token string">'rm -rf /opt/vsftpd.log'</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><h3 id="在role中定义"><a href="#在role中定义" class="header-anchor">#</a> 在role中定义</h3> <p>参看role章节</p></div></div>  <div class="page-edit"><!----> <!----> <div class="last-updated"><span class="prefix">Last Updated:</span> <span class="time">2022/05/22, 12:42:00</span></div></div> <div class="page-nav-wapper"><div class="page-nav-centre-wrap"><a href="/pages/c660f6/" class="page-nav-centre page-nav-centre-prev"><div class="tooltip">tags</div></a> <a href="/pages/f123e9/" class="page-nav-centre page-nav-centre-next"><div class="tooltip">template</div></a></div> <div class="page-nav"><p class="inner"><span class="prev">
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